Iyo kambani Tianjin Zhanzhi Steel Co., Ltd. Kero NO.57 Jinbin Avenue, Hedong District, Tianjin, China E-mail info@zzspecialsteel.com Phone +86 15822139806 Fax +86 22 58032211 Tumira meseji yako kwatiri: Nyora meseji yako pano ugotitumira
